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721
resultados
Última actualización
13/09/2026 [06:56:00]
Resultados 50 a 75 de 721
Resumen de: WO2025090834A1
Disclosed herein are systems and methods for tandem hydrogen (H2) production and carbon dioxide (CO2) capture. For example, described herein are methods comprising tandem H2 production and CO2 capture and conversion to a carbonate mineral. In some examples, the method is an electrochemical method. In some examples, the method comprises dissolving CO2 in water and applying an electrochemical potential sufficient to drive the H2 evolution reaction, thereby producing H2 and CO3 2-. In some examples, the methods further comprise contacting the CO3 2- with a cation to thereby form an insoluble carbonate compound.
Resumen de: EP4799916A2
The present invention relates to an apparatus and method for producing, storing, and transferring hydrogen. According to the present invention, in order to address the problems of conventional systems and methods for producing, storing, and transferring marine green hydrogen, which are configured with a fixed structure in a small-scale offshore wind power generator on a coast or in a shallow sea area with a shallow depth of water, and thus, have low efficiency due to the difficulty in mass production of hydrogen, and a large storage space is occupied when the produced hydrogen is converted into a compressed gas form, and when the produced hydrogen is converted into ammonia, additional energy is required to extract the hydrogen again and there is a risk of environmental pollution and casualty in the event of an outflow accident, provided is a marine platform for producing, storing, and transferring marine green hydrogen, which is configured such that marine green hydrogen is produced through a floating marine structure configured to produce marine green hydrogen using electricity produced using renewable energy from the ocean, and simultaneously, the produced marine green hydrogen is stored, transferred, and offloaded through a single offshore platform (FPSO), thereby being possible to easily construct a large-scale production facility capable of producing, storing, and transferring marine green hydrogen without greenhouse gas emission on the basis of eco-friendly energy.
Resumen de: EP4800057A1
0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.
Resumen de: US2020032688A1
0001 Systems for abatement of pollutants in an exhaust gas stream of an internal combustion engine including a hydrogen injection article configured to introduce hydrogen upstream of a catalytic article are effective for the abatement of carbon monoxide and/or hydrocarbons and/or nitrogen oxides. The introduction of hydrogen may be intermittent and/or during a cold-start period.
Resumen de: SE2500030A1
Uppfinningen avser förfarande och arrangemang för att producera ammoniak från väte samt luftens kväve. Uppfinningen kännetecknas av att i en förbränningsmotor för ammoniak förbränns ammoniak stökiometriskt med syret i den omgivningsluft som tillförs motorn varefter bildad het avgas med vattenånga reagerar med järnet i avgassystemet och bildar rost i en endoterm reaktion varvid väte frigörs samtidigt som ammoniak bildas i en exoterm reaktion i motorns avgassystem som består av järn och utgör ett cirkulärt energilager.
Resumen de: WO2025049352A2
This discloses a surfaced plasmon resonance catalyst device and a chemical reaction systems using the catalyst device. The catalyst device includes metal nanoparticles formed over a supporting body with ligands that are interposed between the supporting body and many of the metal nanoparticles. Many of the ligands are bonded to a surface of the supporting body on one hand and are also bonded to at least part of the metal nanoparticles on the other hand. One chemical reaction system includes a flow reactor that accommodates the catalyst device for use in ammonia cracking.
Resumen de: US20260249262A1
0000 An ammonia decomposition reactor having a function of preheating ammonia gas, including a heat exchanger body and a reactor body enveloped externally by the heat exchanger body. A heat-exchange tube on the heat exchanger body is provided in a heat-exchange shell, one end is in communication with an ammonia gas heat-exchange inlet, and the other end is in communication with an ammonia gas heat-exchange outlet. A heat medium inlet and A heat medium outlet are individually connected to the heat-exchange shell. A catalyst tube is provided in a reaction shell. An ammonia gas heat-exchange outlet on the heat exchanger body is in communicated with an ammonia gas inlet on the reactor body, an ammonia gas inlet is communicated with an ammonia-gas-decomposition-gas outlet by a catalyst tube, and the ammonia-gas-decomposition-gas outlet is communicated with a heat medium inlet on the heat exchanger body.
Resumen de: US20260250126A1
A method for converting hydrogen sulfide (H2S) to hydrogen (H2) and sulfur(S) includes contact a H2S-containing feed gas stream with a molybdenum disulfide (MoS2) catalyst at a temperature of about 500 to about 1000° C., thereby converting at least a portion of the H2S to H2 and S and producing a spent catalyst in-situ and a residue gas stream leaving the reactor. A method for preparing the MoS2 catalyst in the form of a flower-like nanosheet microsphere. A method for preparing the MoS2 catalyst in the form of a nanosheet.
Resumen de: US20260250866A1
0000 Process of manufacturing an electrocatalyst for alkaline water electrolysis including: (i) producing an aqueous electrolyte including suspended graphene and graphite nanoplatelet structures having thickness of <100 nm in an electrochemical cell including a negative graphitic electrode, a positive graphitic electrode, an aqueous electrolyte including ions in a solvent, the ions including cations, including sulphate ions, and anions, wherein current passes through the cell to obtain exfoliated graphene and graphite nanoplatelet structures in the aqueous electrolyte in an amount of more than 5 g/l. (ii) Composing an electroplating bath including the suspended graphene and graphite nanoplatelet structures in an amount of more than 2 g/l, the electroplating bath including an aqueous solution of nickel sulphate and the aqueous electrolyte of step (i). (iii) Electrodepositing from the electroplating bath a combined layer of Ni or Ni-alloy and graphene and graphite particles on a carrier to form electrocatalyst.
Resumen de: US20260250871A1
0000 An electro-energy or electro-synthetic cell, including a cathode, an anode and an electrode separator positioned between the cathode and the anode. A liquid electrolyte inlet supplies a liquid electrolyte to the cell, and a liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet includes an overflow weir over or through which excess liquid electrolyte flows out of the cell. In another form, one or more drippers are included as part of the liquid electrolyte inlet and/or the liquid electrolyte outlet and drip chambers are positioned below the drippers. In another form, one or more porous capillary structures are located in liquid pathways in the cell, for example in a liquid pathway provided by an overflow weir or adjacent a dripper. In another form, one or more restrictors are utilised that create a pressure drop in the liquid electrolyte passing through the restrictor.
Resumen de: US20260250857A1
An electrolysis device for producing hydrogen through electrochemical reaction from an aqueous alkali solution is disclosed. The electrolysis device includes an anodic half cell and a cathodic half cell. The anodic half cell and the cathodic half cell are separated via a membrane and the alkali solution can flow through the cathodic half cell. The anodic half cell includes an anodic electrode and the cathodic half cell includes a cathodic electrode. The anodic electrode, the cathodic electrode and the membrane form a membrane-electrode unit. In normal operation of the electrolysis device, an initial fill quantity of the alkali solution in the cathodic half cell can be changed only by diffusion processes through the membrane-electrode unit and/or through electrochemical reaction of the alkali solution in the membrane-electrode unit.
Resumen de: WO2025040912A1
The disclosure provides a process of preparing an ion-conducting membrane comprising a sulphonated hydrocarbon ionomer having an ion-exchange capacity I2 meq/g, the process comprising the steps of: a) providing a sulphonated hydrocarbon ionomer having an ion- exchange capacity I1 meq/g; b) casting an ion-conducting membrane from a mixture of the sulphonated hydrocarbon ionomer provided in step a) and a solvent; c) applying a treatment to the ion-conducting membrane prepared in step b) which reduces the ion-exchange capacity from I1 meq/g to an ion-exchange capacity I2 meq/g, wherein I2 is less than I1.
Resumen de: US20260250851A1
The present invention relates to a catalysis promoter dissolved in an electrolyte of a water electrolysis device using an alkaline electrolyte and promoting the catalytic activity of an oxygen evolution electrode.
Resumen de: US20260250859A1
0000 An electrolysis system includes a plurality of electrolysis devices connected to a power supply line, the electrolysis devices having an electrical energy supply unit and an electrolysis module coupled to the power supply unit. The energy supply units of the electrolysis devices include a transformer and a rectifier unit. The transformer has a primary winding and a secondary winding connected to an AC voltage side of the rectifier unit. The primary winding of the transformer of at least a first of the electrolysis devices is configured to be adjustable in stages, and the rectifier unit of that electrolysis device is configured to be operated in an uncontrolled manner. The rectifier unit of the energy supply unit of at least a second of the electrolysis devices is configured to be operated in a controlled manner depending on the electrical energy that can be provided by the energy source.
Resumen de: AU2025262351A1
A hydrogen generation device with a breathing detection function. The hydrogen generation device comprises an electrolytic cell, a gas pipe, a sensor, a valve switch and a controller, wherein the electrolytic cell is used for electrolyzing water to generate a hydrogen-containing gas; the gas pipe is in communication with the electrolytic cell and has a gas outlet, and the gas pipe is used for receiving the hydrogen-containing gas and outputting the hydrogen-containing gas through the gas outlet; the sensor is used for sensing the breathing of a user to generate a breathing signal; the valve switch is arranged in the gas pipe; and the controller is electrically connected to the valve switch and the sensor, and the controller opens the valve switch on the basis of an inspiration signal, and closes the valve switch on the basis of an expiration signal. Therefore, the present invention provides the hydrogen-containing gas, and does not provide the hydrogen-containing gas in an expiration state, such that not only can excessive pressure in a breathing tube be prevented, but also the hydrogen-containing gas can be prevented from rapidly flowing to a user when the user inhales again, thereby improving the practicability and the usage experience.
Resumen de: US20260249278A1
0000 The present disclosure discloses a noble metal oxide cluster catalyst anchored on cobalt-based nanosheets and a preparation method thereof. The preparation method includes mixing a cobalt acetate solution, a metal salt solution, ammonium metavanadate, and acetylene black uniformly, stirring at a temperature in a range of 50 °C to 100 °C, and filtering to collect a sample; and subjecting the sample to vacuum drying, pyrolyzing the sample under air atmosphere, to obtain the noble metal oxide cluster catalyst anchored on cobalt-based nanosheets.
Resumen de: AU2025234540A1
A method for control of the individual catholyte and anolyte flows through a multitude of electrolyser stacks is provided wherein: a. each electrolyser stack (2) is adapted to perform electrolysis of water, and b. all electrolyser stacks (2) are served with an electric current and that, c. all electrolyser stacks (2) are served with anolyte flow (26), and d. all electrolyser stacks (2) are served with catholyte flow (27). It is preferred that e. differential pressure signals (28.1) at each electrolyser stack (2) is provided and, f. that catholyte control signals (43) and anolyte control signals (42) to each of a catholyte stack inflow valve actuator (44) and an anolyte stack inflow valve actuator (45) are provided for the regulation of each of an anolyte stack inflow valve (56) and a catholyte stack inflow valve (57). An electrolyser system is also provided.
Resumen de: TW202543915A
To provide a reactor capable of suppressing damage to a housing caused by heat. A reactor 10 comprises: a housing 1 including an introduction port 2 for introducing ammonia and a combustible gas, and an outlet 3 for causing the generated gas to flow out; a first catalyst part 13 disposed inside the housing 1 and including a first catalyst for generating heat by burning the combustible gas introduced from the introduction port 2; and a second catalyst part 21 disposed between the first catalyst part 13 and the outlet 3, including a second catalyst heated by heat generated in the first catalyst part 13, and generating hydrogen from ammonia.
Resumen de: US20260254396A1
0000 An energy supply system is specified for coupling to a wind power station that is used in island mode and that operates an electrolysis facility for the production of green hydrogen with wind energy. The novel energy supply system has a solar energy source, with a photovoltaic module and/or a solar thermal collector, which is configured to supply the electrolysis facility, in particular a containment and water-carrying lines of electrolysis units of the electrolysis facility, with thermal energy in the event of the absence of wind energy. There is also described a corresponding method for coupling solar energy to a wind power station that is operated in island mode.
Resumen de: WO2026174667A1
The present invention belongs to the technical field of photoelectrocatalysis. Specifically disclosed are a composite photoelectrocatalytic material, and a preparation method therefor and a use thereof. According to the present invention, first, a Bi-containing solution is used as an electrolyte for electrodeposition, a V-containing precursor solution is coated, and then annealing treatment is performed to obtain a BiVO4 matrix material; then, the BiVO4 matrix material is used as a working electrode, a Ni-containing solution is used as an electrolyte, and photo-assisted electrodeposition is performed to obtain NiO/BiVO4; and then a solution containing Ni5P4 nanoparticles is coated on the NiO/BiVO4 to obtain the composite photoelectrocatalytic material. The composite photoelectrocatalytic material obtained according to the present invention has a built-in electric field, and has high catalytic activity and excellent catalytic performance; the Ni5P4 greatly improves the yield and selectivity of H2O2; and the preparation method also has the characteristics of simple operation, time saving, and low energy consumption.
Resumen de: US20260250856A1
The present disclosure relates to an electrode for use as an anode or cathode for electrolysis of a liquid flowing along a flow direction. An electrolysis arrangement includes at least one such electrode and a method for performing electrolysis using the electrolysis arrangement. The electrolysis arrangement includes a cylindrical housing and a plurality of elongated electrodes each extending along a longitudinal direction parallel to the central axis. The plurality of electrodes is arranged in a concentric pattern around the central axis inside the cylindrical housing. The electrolysis arrangement also includes fluid actuating means for causing a rotational flow of a fluid around said central axis inside said inner volume of said cylindrical housing.
Resumen de: US20260250131A1
0000 Page 12 A method for producing a compound comprising at least one of hydrogen or oxygen comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing a diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. An apparatus is configured for producing a compound comprising at least one of hydrogen or oxygen.
Resumen de: DE102025107067A1
Die Erfindung betrifft ein Verfahren zur Aufbereitung von Rohwasser (1) für die Nutzung als Edukt-Wasser in einem Elektrolyseprozess, bei dem salzbeladenes Rohwasser (1) bereitgestellt und eine thermische Entsalzung des Rohwassers (1) durchgeführt wird, wobei Wärme (QIN) dem Rohwasser (1) zugeführt und dieses verdampft wird, wobei salzfreies Wasser (H2O) abgezogen wird, das als Edukt-Wasser (9) bereitgestellt und einem Elektrolyseprozess zugeführt wird, bei dem Wasserstoff (H2) als Produktgas erzeugt wird, wobei der erzeugte Wasserstoff (H2) verladen wird, indem der Wasserstoff (H2) einem exothermen Verladeprozess unterzogen wird, aus dem Wärme (QOUT) freigesetzt wird, wobei freigesetzte Wärme (QOUT) übertragen und als Heizwärme (QIN) dem Rohwasser (1) zugeführt und zur Verdampfung genutzt wird.Die Erfindung betrifft weiterhin ein Wasseraufbereitungssystem (11) zur Durchführung des Verfahrens.
Resumen de: US20260250853A1
0000 A hydrogen production system of the present disclosure includes a plurality of electrolyzers which produce hydrogen by electrolyzing a raw material, a plurality of power converters which convert three-phase AC power into DC power and supply the DC power to the plurality of electrolyzers, and a control device which controls the plurality of power converters. Each electrolyzer is connected to a different one of the power converters. The control device is configured to individually control a current or a voltage supplied from the plurality of power converters to each electrolyzer by individually controlling the plurality of power converters, and to control the current or the voltage supplied from the power converter to a measured electrolyzer based on a detection value detected by at least one detection unit of an inlet gas state detection unit, an outlet gas state detection unit, and a power supply physical quantity detection unit.
Nº publicación: US20260250854A1 27/08/2026
Solicitante:
DENSO CORP [JP]
DENSO CORPORATION
Resumen de: US20260250854A1
0000 A hydrogen production system of the present disclosure includes an electrolytic device, a plurality of electrical power conversion devices that convert three-phase AC power to DC power and supply the DC power to the electrolytic device, and a control device that controls the electrical power conversion devices. The electrolytic device is connected with the plurality of electrical power conversion devices connected in parallel with each other. The control device is configured to correct, when electrical power supply from some of the plurality of electrical power conversion devices to the electrolytic device is stopped, at least one of voltage and current of the electrical power conversion device that is continuing electrical power supply to the electrolytic device so that a later hydrogen production amount of the electrolytic device approaches a predetermined target amount.
BOPI
Sede Electrónica
